rtcp
v0.0.4
Published
Through "proxy" function, to check the arguments type. It is different from the static methods such as TypeScript and is only used as a lightweight runtime arguments checking function.
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Readme
Runtime-Type-Check-Proxy
Through "proxy" function, to check the arguments type. It is different from the static methods such as TypeScript and is only used as a lightweight runtime arguments checking function.
Type
number / string / boolean / null / array / date / regexp / function / undefined / NaN / Infinity
Installing
$ npm i rtcp --save
or download RTCP.min.js
<script src="./RTCP.min.js"></script>
Example
RTCP.fail(( name, fail ) => {
console.error( `function ${ name }`, fail );
})
function X ( x ) {
console.log( x + 1 );
}
function Y ( x, y ) {
console.log( x + y );
}
RTCP( X, 'number' )( 1 );
RTCP( X, 'number|string' )( '1' );
RTCP( X, 'number' )( '1' ); // fail
RTCP( Y, [ 'number', 'number' ] )( 1, 1 );
RTCP( Y, [ 'number', 'number' ] )( 1, '1' ); // fail
Support as decorator
class X {
@RTCP( 'string' )
hello ( name ) {
console.log( `hello, ${ name }` );
}
}
( new X() ).hello( 'foo' );
( new X() ).hello(); // fail